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A particular satellite was placed in a circular orbit about 160 mi above Earth.
(a) Determine the orbital speed of the satellite.
(b) Determine the time required for one complete revolution. If someone could show step by step how to do this question; cant seem to get it.
Two lenses have focal lengths of 25.0cm and -50.0cm and are separated by 20.0cm. Where is the final image formed
A satellites are placed in a circular orbit that is 3.64 × 107 m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance
Two wires are separated by 3.0 cm and each is of length 1.5 m. They repel each other with a force of 4.0 N. The current in one wire is 5.0 A. find the current in the other wire
An electron is accelerated by a constant electric field of magnitude 285 N/C. a. Find the acceleration of the electron (N) b. If the string can withstand a maximum tension of 0.180 N, what is the smallest value d can have before the string breaks.
In a popular amusement park ride, the rotating cylinder of radius 3.0 m is set in rotation at an angular speed of 7.0 rad/s. The floor then drops away, leaving the riders suspended against the wall in a vertical position.
A single force acts on a 2.8 kg particle-like object in such a way that the position of the object as a function of time is given by x = 4.2t - 5.0t2 + 1.1t3, Find the work done on the object by the force
A firm wants to determine the amount of frictional torque in their current line of grindstones, so they can redesign them to be more energy efficient. What is the frictional torque exerted on the grindstone
A flat copper sheet has a hole with area 0.265 m^2 at room temperature (25 degree C). If it's heated to 510 degree C, what's the hole's new area
Find the magnetic field at P and P' on the axis of a circular coil of radius a = 20.7 cm (see figure below). The coil consists of 10 turns of wire carrying a current of 4.07 A in the direction indicated. (Hint: the magnetic field on the axis of a ..
An inexperienced hunter shoots at a squirrel sitting in a tree. The squirrel is sitting on a branch that is 22 m above the gun barrel, Write the initial velocity of the bullet in vector form
A 5.57-g bullet is moving horizontally with a velocity of +344 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resis..
A rotating cylinder about 16 {rm km} long and 7.40 km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the same acceleration due to gravity as on Earth.
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